A clinical comparison of the analgesic effects of methadone and morphine administered intramuscularly, and of orally and parenterally administered methadone.
D000328:Adult; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008433:Mathematics; D008691:Methadone / Q000008:administration & dosage* / Q000627:therapeutic use*; D008875:Middle Aged; D009020:Morphine / Q000008:administration & dosage* / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy*
D009020:Morphine; D008691:Methadone